BGS mineralogy and petrology collection record

Sample number	E24524; COLLNOBN43;
Sample Donor	Bisson,G.
Rock name	'Original entry: Protoquartzite Cut By Quartz Veins'
Stratigraphy	Not entered
Comments	Not entered
Locality details	Prewley Tunnel and immediate vicinity of Prewley, being 3-44 m. SW. of Okehampton Station. Excavation for reservoir (cf. BN 18&19)
50k map sheet	Okehampton (324) View images in GeoScenic related to 'Okehampton' View the geology near 'Okehampton'
Map reference	SX 549 909
Year collected	Not entered
Bore name	Not applicable
Confidentiality	No restrictions

Petrological thin sections

Field of view: c. 31 mm.